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Actually the ones I have might be different but made to the same specs. I
have to check the box. Anyway, it says that they simulate daylight with a
temp at 5500K. How does this jive with lighting conditions for aquariums
(growing plants, that is)? I know it is complicated, but I see a lot of
people talking about 6500K and so on. Are "daylight" bulbs not the right
thing for a tank?

Actually the ones I have might be different but made to the same specs. I
have to check the box. Anyway, it says that they simulate daylight with a
temp at 5500K. How does this jive with lighting conditions for aquariums
(growing plants, that is)? I know it is complicated, but I see a lot of
people talking about 6500K and so on. Are "daylight" bulbs not the right
thing for a tank?

What is more important is the CRI. These lamps have a CRI of 91, which is
pretty good - you'll find a lot of plant specialist lights don't even have
as good a CRI.

I'd say from my experience these lights will be quite good for plants.

Actually the ones I have might be different but made to the same specs. I
have to check the box. Anyway, it says that they simulate daylight with a
temp at 5500K. How does this jive with lighting conditions for aquariums
(growing plants, that is)? I know it is complicated, but I see a lot of
people talking about 6500K and so on. Are "daylight" bulbs not the right
thing for a tank?

thanks,
dwhite

I've seen folks here say over and over that plants can grow on just
about any light but green. 5500K is a very nice color temperature for
freshwater - it's what I happen to be using right now and plants are
growing fine.

Actually the ones I have might be different but made to the same specs.
I
have to check the box. Anyway, it says that they simulate daylight with
a
temp at 5500K. How does this jive with lighting conditions for
aquariums
(growing plants, that is)? I know it is complicated, but I see a lot of
people talking about 6500K and so on. Are "daylight" bulbs not the
right
thing for a tank?

thanks,
dwhite

I've seen folks here say over and over that plants can grow on just
about any light but green. 5500K is a very nice color temperature for
freshwater - it's what I happen to be using right now and plants are
growing fine.